Set up Face ID on iPhone - Apple Support

Find settings on iPhone - Apple Support

Set up Face ID on iPhone - Apple Support

Set up your iPhone or iPad - Apple Support

Use iCloud on iPhone - Apple Support

Control access to information on the iPhone Lock Screen - Apple Support

Set up an account recovery contact - Apple Support

Add your driver's license or state ID to Apple Wallet - Apple Support

Use AssistiveTouch on iPhone - Apple Support

Add, edit, and remove widgets on iPhone - Apple Support

If Face ID isn't working on your iPhone or iPad Pro - Apple Support

How to Set Up and Use Face ID on Your iPhone

How to Set Up Face ID on iPhone 11

Face ID - Wikipedia

Fingerprint vs Face Unlock: Looking back at Apple's trend-setting FaceID

Apple iPhone X: How Face ID works, how to set it up and more